Class: CSVStepImporter::Chunk

Inherits:
Node
  • Object
show all
Defined in:
lib/csv_step_importer/chunk.rb

Instance Attribute Summary collapse

Attributes inherited from Node

#children, #env, #parent

Instance Method Summary collapse

Methods inherited from Node

#add_children, #build_env, #create_or_update, #run_validations!, #validate_children

Methods inherited from Base

#ancestors, #assign_attributes, #create_or_update, #inspect, #persisted?, #save, #save!, set, #to_s, #update

Constructor Details

#initialize(rows: [], row_class: CSVStepImporter::Row, processor_classes: nil, first_row: 0, **attributes) ⇒ Chunk

Returns a new instance of Chunk.



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# File 'lib/csv_step_importer/chunk.rb', line 9

def initialize(rows: [], row_class: CSVStepImporter::Row, processor_classes: nil, first_row: 0, **attributes)
  super **attributes

  self.cache = {}
  self.first_row = first_row

  add_rows rows: rows, row_class: row_class
  add_children processor_classes
end

Instance Attribute Details

#cache ⇒ Object

Returns the value of attribute cache.



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# File 'lib/csv_step_importer/chunk.rb', line 7

def cache
  @cache
end

#first_row ⇒ Object

Returns the value of attribute first_row.



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# File 'lib/csv_step_importer/chunk.rb', line 7

def first_row
  @first_row
end

#rows ⇒ Object

Returns the value of attribute rows.



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# File 'lib/csv_step_importer/chunk.rb', line 7

def rows
  @rows
end

Instance Method Details

#add_rows(rows:, row_class:) ⇒ Object 



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# File 'lib/csv_step_importer/chunk.rb', line 19

def add_rows(rows:, row_class:)
  row_parent_node = CSVStepImporter::Node.new parent: self

  unless rows.empty? || rows.first.is_a?(row_class)
    row_number = self.first_row - 1
    rows = rows.collect do |row|
      row_class.new(parent: row_parent_node, row_number: row_number += 1, **row)
    end.find_all(&:include_row?)
  end

  @rows = rows

  row_parent_node.add_children rows
  add_children row_parent_node
end